INFORMATION SYSTEMS ANALYSIS – THE DATA PROCESSING CONCEPT
The word "data" is the plural of datum which means fact, observation, assumption or occurrence. Data processing is the process through which facts and figures are collected, assigned meaning, communicated to other and retained for future use. It is a series of actions or operations that converts data into useful information. In data processing system, we include the resources that used to accomplish the processing of data.
Data processing activities are grouped under following five basic categories:
(iv) Storage and retrieval
The various steps involved in data processing cycle are as follows:
(i) Data input
(ii) Data processing
For more notes on data processing, view a comprehensive excerpt here.